85716981

素因数分解:

$3^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1307}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 145658880

約数和(自身を除く): 59941899

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 347, 1041, 1307, 2429, 3123, 3921, 7287, 9149, 9369, 11763, 21861, 27447, 35289, 65583, 82341, 247023, 453529, 1360587, 3174703, 4081761, 9524109, 12245283, 28572327, 85716981]

約数ペア:

[(1, 85716981), (3, 28572327), (7, 12245283), (9, 9524109), (21, 4081761), (27, 3174703), (63, 1360587), (189, 453529), (347, 247023), (1041, 82341), (1307, 65583), (2429, 35289), (3123, 27447), (3921, 21861), (7287, 11763), (9149, 9369)]